EP2319628B1 - Dispositif de revêtement pour pièces usinées ainsi que procédé de fonctionnement du dispositif de revêtement - Google Patents

Dispositif de revêtement pour pièces usinées ainsi que procédé de fonctionnement du dispositif de revêtement Download PDF

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Publication number
EP2319628B1
EP2319628B1 EP09405193.5A EP09405193A EP2319628B1 EP 2319628 B1 EP2319628 B1 EP 2319628B1 EP 09405193 A EP09405193 A EP 09405193A EP 2319628 B1 EP2319628 B1 EP 2319628B1
Authority
EP
European Patent Office
Prior art keywords
flow channel
coating
flow
workpiece
coating device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP09405193.5A
Other languages
German (de)
English (en)
Other versions
EP2319628A1 (fr
Inventor
Uwe Greisner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
J Wagner AG
Original Assignee
J Wagner AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by J Wagner AG filed Critical J Wagner AG
Priority to EP09405193.5A priority Critical patent/EP2319628B1/fr
Priority to US13/508,582 priority patent/US9138765B2/en
Priority to PCT/CH2010/000237 priority patent/WO2011054115A1/fr
Publication of EP2319628A1 publication Critical patent/EP2319628A1/fr
Application granted granted Critical
Publication of EP2319628B1 publication Critical patent/EP2319628B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • B05B13/0214—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe the liquid or other fluent material being applied to the whole periphery of the cross section of the elongated body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/30—Arrangements for collecting, re-using or eliminating excess spraying material comprising enclosures close to, or in contact with, the object to be sprayed and surrounding or confining the discharged spray or jet but not the object to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • B05C13/025—Means for manipulating or holding work, e.g. for separate articles for particular articles relatively small cylindrical objects, e.g. cans, bottles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/10—Arrangements for collecting, re-using or eliminating excess spraying material the excess material being particulate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C13/00—Means for manipulating or holding work, e.g. for separate articles
    • B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to a coating device for workpieces and to a method for operating the coating device.
  • powder or wet paint is used as the coating material.
  • the powder is sprayed onto the workpiece with one or more powder spray guns.
  • the powder can be electrostatically charged.
  • the workpiece is heated in an oven, so that the powder liquefies.
  • the powder hardens and forms a closed cover layer on the workpiece.
  • the workpiece is cooled down again.
  • the wet paint is sprayed with one or more spray guns on the workpiece.
  • the paint as well as the powder can be electrostatically charged.
  • the workpiece is heated in an oven, so that the Diluent escapes from the wet paint and the paint dries.
  • the paint cures and forms a closed cover layer on the workpiece.
  • the device comprises a conveyor system, which guides the vehicle wheels through the device and an electronic camera, with the aid of which the axis and angular position of the vehicle wheels are detected in a detection station.
  • a suction station is provided with a movable suction head with multiple suction nozzles.
  • the suction head can be moved in different axis orientations and in different angular positions about its axis to the powdered surface of a vehicle located in the suction station and moved in this position with the speed of the vehicle a certain distance.
  • a vacuum source is provided, which is connected to the suction nozzles.
  • the device comprises a spraying device for injecting air and electrically charged powder particles through a spray chamber onto the container bottom located outside the spray chamber and to be coated. Furthermore, a cover chamber is provided which is arranged between the outlet-side opening of the spray chamber and the container bottom to be coated and surrounds the outlet-side opening of the spray chamber in an annular manner. With the help of the cover chamber, in which there is a negative pressure, the side walls of the container should be protected from contact with the powder particles.
  • a coating apparatus for coating small electronic components with powdered coating material is known.
  • the coating device is intended to coat the component only partially without having to use a coating mask.
  • the device comprises a spraying device with which the component previously heated beyond the melting point of the coating material is coated with the coating material.
  • this solution may be useful. But if larger workpieces are only partially coated, this solution is not particularly energy efficient. In this solution, it is namely proposed to heat the entire component, even if only a part of the component is to be coated.
  • An object of the invention is to provide a coating device for workpieces with which a certain area of the workpiece with as sharp as possible Coating border can be coated. That is, the transition area between the coated and the uncoated area should be as narrow as possible.
  • the coating device should in particular make do without a mask and also the subsequent blowing off of that area which is to be kept free of the coating powder should be avoided.
  • the inventive coating device for a workpiece comprises a flow channel which has an opening for the workpiece, through which the workpiece at least partially projects into the interior of the flow channel during the coating.
  • a spray device is provided which is arranged so that it can be sprayed with coating material inside the flow channel.
  • the coating device has a flow generator, which is arranged and operable to generate in the flow channel a directed in the longitudinal direction of the flow channel flow.
  • the flow channel has a lateral opening through which the spray device projects into the interior of the flow channel. Due to the fact that only part of the spray device penetrates into the interior of the Flow channel protrudes, the part of the spray device located outside the flow channel is substantially free of coating material, so that the cleaning effort is reduced. In addition, this reduces the influence of the spray device on the flow in the flow channel.
  • the opening for the workpiece is located on the end face of the flow channel.
  • the flow generator viewed in the flow direction, is arranged behind the spray device. This ensures that in the area in which the coating material cloud is, a more uniform, ie laminar flow prevails. Thus, no air is blown in the direction of the coating material cloud, but the air is sucked off.
  • a further spraying device is provided, which is arranged so that coating material can be sprayed with it inside the flow channel. This allows the workpiece to be coated simultaneously on several sides.
  • the flow channel is oriented such that its longitudinal axis runs vertically. In this way, in addition to the flow, gravity is used to create a directional, spatially well-defined coating material cloud.
  • the flow generator of the coating device according to the invention has an air jet pump.
  • the air jet pump is particularly simple, has no moving parts and is particularly low in wear.
  • the flow generator has a fan.
  • the blower has the advantage that it has a high efficiency.
  • a grate may be provided in the coating device according to the invention, wherein the spraying device is arranged above the grate and the fan below the grate.
  • a filter can be provided in front of the fan in the flow direction.
  • the sprayed powder that does not adhere to the workpiece can be collected and optionally reused.
  • the coating device according to the invention it is advantageous for the coating device according to the invention to provide a robot which holds and guides the spraying device.
  • a robot can also be provided which holds and guides the workpiece.
  • the flow channel has a round cross-section. This ensures that deposits little coating material on the wall of the flow channel and the flow channel can be easily and quickly cleaned.
  • the flow channel consists of metal or plastic.
  • Producing the flow channel made of plastic has the advantage that electrically charged coating particles are not attracted to the flow channel and stick to the inside. With a flow channel made of metal, a targeted shielding can be created.
  • the spraying device is arranged essentially transversely to the longitudinal axis of the flow channel.
  • the method according to the invention for operating the coating device described above comprises the following steps. At least the area of the workpiece to be coated is introduced into the flow channel. By means of the flow generator, an air flow is generated in the flow channel and by means of the spray device, a coating material cloud is generated to coat the workpiece.
  • the coating device according to the invention can be used for coating workpieces with coating powder or wet paint.
  • the coating device according to the invention is suitable for coating a workpiece with various coating materials, for example powder or wet paint.
  • FIG. 1 shows a first embodiment of the coating device according to the invention in a three-dimensional view in section from the front.
  • the first embodiment of the inventive coating device is shown in a three-dimensional view obliquely from the top front.
  • FIG. 3 Finally, the first embodiment of the inventive coating device in a three-dimensional view perpendicular from above.
  • the coating device comprises a flow channel 1, which in FIG. 1 shown in section.
  • the flow channel 1 has the shape of a tube and is vertical, that is aligned vertically. Its longitudinal axis is marked LA.
  • the flow channel 1 At the top Area, the flow channel 1, a first lateral opening 1.1, a second lateral opening 1.2 and a third lateral opening 1.3. The latter is due to the sectional view in FIG. 1 not to be seen, but only in the Figures 2 and 3 shown.
  • a part of a first spraying device 2 projects into the interior of the flow channel 1 through the first lateral opening 1.1, and through the second lateral opening 1.2 a part of a second spraying device 4 projects into the interior of the flow channel 1.
  • the two spray devices 2 and 4 are held by a common holder 6 so that their spray nozzles 3 and 5 are located in the interior of the flow channel 1.
  • the holder 6 may be attached to an arm of a robot, not shown in the figures. This allows the sprayers 2 and 4 to be moved relative to the workpiece 12 to achieve an even better coating.
  • the shape of the mouth of the spray nozzles 3 and 5 depends on the shape of the workpiece to be coated. Im in the FIGS. 1 to 3 the embodiment shown, the mouths of the spray nozzles 3 and 5 are slit-shaped.
  • the coating material cloud 13, which is produced by the first spray device 2, and the coating material cloud 14, which is generated by the second spray device 4, are shown only schematically in the figures. Their shape depends, among other things, on the shape of the spray nozzles 3 and 5, the spray pressure used Coating material and the speed at which the air L flows through the flow channel 1.
  • a further opening 1.4 On the upper end side of the flow channel 1 there is a further opening 1.4, which is also referred to below as a flow channel inlet.
  • the workpiece 12 to be coated which is held by means of a holder 18, projects through the opening 1.4 also into the interior of the flow channel 1.
  • the holder 18 may be part of a conveyor system or the arm of a robot.
  • the flow channel 1 can stand on the grate 11 or be held at a certain distance from the grate 11 above the grate 11.
  • On the lower end side of the flow channel 1 is another opening, which is also referred to as a flow channel outlet.
  • the first air jet pump 8 is supplied via a compressed air hose 7 with compressed air DL and sucks from above air L1.
  • the second air jet pump 10 is also supplied via a second compressed air hose 9 with compressed air DL and sucks from above air L2.
  • the two air jet pumps 8 and 10 ensure that air L is sucked from above into the flow channel 1 and thus produce a laminar air flow which runs essentially parallel to the longitudinal axis LA from top to bottom.
  • the air L exits through the flow channel outlet again from the flow channel 1.
  • FIG. 4 shows an embodiment of the air jet pumps 8 and 10 for generating the air flow L in the flow channel 1 of the coating apparatus.
  • the air jet pumps 8 and 10 operate on the venturi principle. The construction of the air jet pumps by means of the air jet pump 8 will be described below. For the air jet pump 10, however, the same applies mutatis mutandis.
  • the air jet pump 8 comprises a housing 20, in which a channel 23 is located, which has a larger diameter both in the intake area 23.1 and in the outlet area 23.3 than in the central area 23.2. In the central region 23.2 of the channel 23 projects into a compressed-air nozzle 25, is blown through the compressed air DL in the direction of the outlet 23.3.
  • the compressed air nozzle 25 is connected via a line to a compressed air connection 24 arranged outside the housing 20 and is supplied from there with compressed air DL.
  • a compressed air connection 24 of the compressed air hose 7 is connected.
  • a suction is created which causes the air L2 to be drawn through the suction opening 21 into the channel 23.
  • a large-volume, but slowly flowing air flow L2 is generated with little, but quickly flowing compressed air DL.
  • an outlet opening 27 At the end of the channel 23 is an outlet opening 27, through which the sucked air L2 and the compressed air DL flow out of the air jet pump.
  • FIG. 5 shows an embodiment of a comb-shaped compressed air nozzle 31 for generating the air flow L in the flow channel 1 of the coating apparatus.
  • the compressed air nozzle 31 comprises a housing 32 which has on its underside a plurality of compressed air outlets 32.1, through which compressed air DL flows. Due to the large number of compressed air outlets 32.1 arise correspondingly many downwardly directed compressed air streams, which ensure that in the interior of the flow channel 1, a uniform, directed air flow L forms, which is substantially parallel to the longitudinal axis LA.
  • FIG. 6 shows a second embodiment of the coating device according to the invention in a three-dimensional view obliquely from above.
  • This embodiment differs from the first embodiment on the one hand in that the flow channel 1 is connected via a connecting channel 23 with a filter 15 and a suction fan 16. Both the filter 15 and the suction fan 16 are arranged below the grate 11. With the suction fan 16, a negative pressure is generated in the connecting channel 23, which leads to the fact that the air L is sucked from above into the flow channel 1. This results in the flow channel 1 is a substantially parallel to the longitudinal axis LA extending, downwardly directed air flow L.
  • the second embodiment differs from the first embodiment in that the compressed air lines 7 and 9 projecting laterally into the flow channel 1 are not present.
  • FIG. 7 shows a third embodiment of the coating device according to the invention in a three-dimensional View diagonally from the front above.
  • the third embodiment represents a combination of the first and the second embodiment.
  • the third embodiment both the side into the flow channel 1 projecting compressed air lines 7 and 9 and the associated air jet pumps 8 and 10 and the suction fan 16, the filter 15 and the connecting channel 23 on.
  • FIG. 8 shows a fourth embodiment of the coating device according to the invention in a three-dimensional view obliquely from the front top.
  • a third spray gun 30 is provided in the fourth embodiment, which projects through the opening 1.3 in the flow channel 1.
  • FIG. 9 shows a fifth embodiment of the coating device according to the invention in a three-dimensional view obliquely from the top front.
  • the two nozzles 35 are supplied via the compressed air lines 7 and 9, which may be formed, for example, as hose lines, with compressed air DL.
  • two of the in FIG. 5 shown comb-shaped compressed air nozzle 31 are used.
  • spray devices 2, 4 and 30 which have spray guns in connection with finger-shaped spray nozzles.
  • spray devices 2, 4 and 30 which have spray guns in connection with finger-shaped spray nozzles.
  • the flow channel 1 is aligned so that its longitudinal axis LA is vertical. In this way, in addition to the air flow L, gravity is used to create a directional, spatially well-defined coating material cloud. But it is also possible to align the flow channel 1, for example horizontally.
  • the flow channel 1 can also be composed of several parts. Under certain circumstances, it may be helpful to form the flow channel 1 from two tube halves, which are joined together during the coating process. For cleaning, the two tube halves can then be spaced apart. Satt the workpiece 12 into the flow channel 1, the two tube halves, after the workpiece to be coated is positioned, can be brought from two sides to the workpiece so that they shoot around the workpiece sufficiently far.
  • the area 40 of the workpiece 12 to be coated is introduced into the flow channel 1.
  • the flow generator which the air jet pumps 8 and 10 and / or the comb-like compressed air nozzles 31 and / or the compressed air nozzles 35th includes, an air flow L is generated in the flow channel 1.
  • a coating material cloud 13, 14, 40 is produced by means of the spray device 2 and / or 4 and / or 30 in order to coat the workpiece 1.
  • the above steps can be performed in any order. However, it may be useful because it saves material when the steps are performed in the above order.
  • a coating material cloud is produced which has a defined, clearly demarcated boundary on one side.
  • the coating material cloud is usually sharply delimited on its side facing the inlet side 1.4 of the flow channel 1. If the coating material cloud strikes the workpiece, even where the coating material cloud has the sharpest limit, even the sharpest transition between coated and uncoated workpiece surface results.
  • the coating boundary is a transition zone on the workpiece 12, in which a coated area merges into an uncoated area.
  • the coating material clouds 13 and 14 produced by the coating device are clearly delimited at the top.
  • the coating material clouds 13 and 14 produced by the coating device would be clearly delimited laterally, rather than vertically.
  • the Workpiece 12 is first coated in the area in which the desired coating on the workpiece 12 is to be located. Subsequently, the workpiece 12 is moved so that subsequently the remaining area to be coated is within the detection range of the spray devices 2, 4 and / or 30 and can be coated. At the in FIG. 1 shown positioning of the workpiece 12 is thus first coated with the two spray devices 2 and 4, the upper portion of the workpiece 12. The upper limit of this upper range is the desired coating limit. Above this limit, the workpiece 12 should not be coated.
  • the workpiece 12 is transported to the next processing station, for example a furnace.
  • the speed with which the coating material exits from the mouth of the spray nozzle, for example the spray nozzle 3, has an influence on its deflection. The higher the material spray rate, the lower its deflection down.
  • the optimal setting The flow rate of the air flow L and the material spraying speed depends, inter alia, on the design of the flow channel, the size of the coating particles, the spray nozzle shape used and the geometry of the workpiece to be coated.
  • FIGS. 1 9 components can also be combined with one another in a different manner than shown in the figures.
  • more or less than two air jet pumps and more or less than two of the comb-shaped compressed air nozzles can be used.

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  • Nozzles (AREA)

Claims (15)

  1. Dispositif de revêtement pour une pièce usinée,
    - avec un dispositif de pulvérisation (2),
    - avec un canal d'écoulement (1) conçu de façon tubulaire, comportant une ouverture latérale (1.1) pour le dispositif de pulvérisation (2) et une ouverture (1.4) pour la pièce usinée (12), à travers laquelle la pièce usinée (12) fait saillie au moins partiellement à l'intérieur du canal d'écoulement (1) pendant le revêtement,
    - avec un moyen pour la charge électrostatique d'un matériau de revêtement (13),
    - dans lequel le dispositif de pulvérisation (2) est agencé de manière à permettre la pulvérisation du matériau de revêtement (13) à l'intérieur du canal d'écoulement (1),
    - avec un support (6) destiné à maintenir le dispositif de pulvérisation (2) et permettant de déplacer le dispositif de pulvérisation (2) par rapport à la pièce usinée (12),
    - avec un générateur de courant (7, 8; 31; 35) agencé et opérable de manière à produire, dans le canal d'écoulement (1), un courant (L1, L2) dirigé dans la direction longitudinale (LA) du canal d'écoulement (1), et
    - dans lequel le générateur de courant (7, 8; 31; 35) est agencé derrière le dispositif de pulvérisation (2), vu dans la direction d'écoulement.
  2. Dispositif de revêtement selon la revendication 1, dans lequel le canal d'écoulement (1) comporte une ouverture latérale (1.1) à travers laquelle le dispositif de pulvérisation (2) fait saillie à l'intérieur du canal d'écoulement (1).
  3. Dispositif de revêtement selon la revendication 1 ou 2,
    dans lequel l'ouverture (1.4) pour la pièce usinée se trouve sur le côté frontal du canal d'écoulement (1).
  4. Dispositif de revêtement selon l'une des revendications 1 à 3,
    avec un dispositif de pulvérisation (4) supplémentaire agencé de manière à ce que son matériau de revêtement (14) puisse être pulvérisé à l'intérieur du canal d'écoulement (1).
  5. Dispositif de revêtement selon l'une des revendications 1 à 4,
    dans lequel le canal d'écoulement (1) est dirigé de manière à ce que son axe longitudinal (LA) s'étende verticalement.
  6. Dispositif de revêtement selon l'une des revendications 1 à 5,
    dans lequel le générateur de courant comporte une pompe à jet d'air (8).
  7. Dispositif de revêtement selon l'une des revendications 1 à 6,
    dans lequel le générateur de courant (7, 8; 31; 35) comporte une soufflerie (16).
  8. Dispositif de revêtement selon la revendication 7, avec une grille (11), dans lequel le dispositif de pulvérisation (2) est agencé au-dessus et la soufflerie (16) en-dessous de la grille (11).
  9. Dispositif de revêtement selon la revendication 7 ou 8,
    dans lequel il est prévu un filtre (15) précédant la soufflerie (16), vu dans la direction d'écoulement.
  10. Dispositif de revêtement selon l'une des revendications 1 à 9,
    avec un robot maintenant et guidant le dispositif de pulvérisation (2) et/ou la pièce usinée (12).
  11. Dispositif de revêtement selon l'une des revendications 1 à 10,
    dans lequel le canal d'écoulement (1) présente une section transversale circulaire.
  12. Dispositif de revêtement selon l'une des revendications 1 à 11,
    dans lequel le canal d'écoulement (1) est constitué de métal ou de plastique.
  13. Dispositif de revêtement selon l'une des revendications 1 à 12,
    dans lequel le dispositif de pulvérisation (2) est agencé quasiment perpendiculairement à l'axe longitudinal (LA) du canal d'écoulement (1).
  14. Procédé pour le fonctionnement d'un dispositif de revêtement selon l'une des revendications 1 à 13,
    - dans lequel au moins la région de la pièce usinée (12) à revêtir est insérée dans le canal d'écoulement (1),
    - dans lequel un courant d'air (L1, L2) est produit dans le canal d'écoulement (1) au moyen du générateur de courant (7, 8; 31; 35), et
    - dans lequel un nuage de matériau de revêtement (13) est produit au moyen du dispositif de pulvérisation (2).
  15. Utilisation du Dispositif de revêtement selon l'une des revendications 1 à 13,
    pour le revêtement de pièces usinées (12) avec une poudre de revêtement ou une peinture humide.
EP09405193.5A 2009-11-09 2009-11-09 Dispositif de revêtement pour pièces usinées ainsi que procédé de fonctionnement du dispositif de revêtement Not-in-force EP2319628B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP09405193.5A EP2319628B1 (fr) 2009-11-09 2009-11-09 Dispositif de revêtement pour pièces usinées ainsi que procédé de fonctionnement du dispositif de revêtement
US13/508,582 US9138765B2 (en) 2009-11-09 2010-10-01 Coating device for workpieces and method for operating the coating device
PCT/CH2010/000237 WO2011054115A1 (fr) 2009-11-09 2010-10-01 Dispositif de revêtement pour pièces à usiner et procédé permettant de faire fonctionner le dispositif de revêtement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09405193.5A EP2319628B1 (fr) 2009-11-09 2009-11-09 Dispositif de revêtement pour pièces usinées ainsi que procédé de fonctionnement du dispositif de revêtement

Publications (2)

Publication Number Publication Date
EP2319628A1 EP2319628A1 (fr) 2011-05-11
EP2319628B1 true EP2319628B1 (fr) 2015-01-07

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Application Number Title Priority Date Filing Date
EP09405193.5A Not-in-force EP2319628B1 (fr) 2009-11-09 2009-11-09 Dispositif de revêtement pour pièces usinées ainsi que procédé de fonctionnement du dispositif de revêtement

Country Status (3)

Country Link
US (1) US9138765B2 (fr)
EP (1) EP2319628B1 (fr)
WO (1) WO2011054115A1 (fr)

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WO2011054115A1 (fr) 2011-05-12
EP2319628A1 (fr) 2011-05-11
US9138765B2 (en) 2015-09-22

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